Photo from december, off my phone...
All that gear for one day on the mountain.
Avalanche gear: airbag pack, beacon, shovel, probe
Comm gear: radios, phone
Navigation: GPS, maps, compass
Survival: Extra socks/gloves/clothes, space blanket, first aid kit, flares, lighters, trash bags, rope, carabiners, flagging tape, toilet paper, handwarmers, snacks, flashlight, leatherman... spare batteries... gatorade/water, snacks...
Safety gear: vest, helmet, goggles, knee braces, elbow pads, boots, pants/jacket
Extra shit that stays in the truck: Garage bible (binder with wiring diagrams, torque specs, exploded assembly drawings, etc), change of clothes, sunscreen, deodorant, some extra gear, socket set, impact driver, dmm...